Chromatin is the combination of DNA and proteins that make up the genetic material of chromosomes. It is essential for packaging DNA, regulation of gene expression, DNA replication and repair. The audience for this book includes newly established scientists, graduate students and scientists seeking detailed overviews of various aspects of chromatin structure and function to gain entry into this field. The chapters in this book give a strong, updated groundwork about the fundamentals of chromatin which are essential to understand epigenetics. Some the fundamentals that this book covers include the structure and biochemistry of chromatin and the enzyme complexes that manage it.